* Thread length:
45cm,,60cm ,75cm,100cm,125cm,150cm
*Thread diameter:
5/0, 4/0, 3/0,2/0,1/0,1, 2, 3,4
*Needle length:
6, 8, 12, 18, 22, 30, 35, 40, 50mm
*Needle curvature
Straight, 1/2 circle, 1/2 circle (double), 1/4 circle
1/4 circle (double), 3/8 circle, 3/8 circle (double),
5/8 circle, loop round
*Cross section:
Round bodied, round bodied (heavy), curved cutting, curved cutting(heavy), Reverse cutting, reverse cutting (heavy), tapercut, micro-point spatula curved